Kovacs Istvan

Kovacs Istvan

Kovacs Istvan
More ideas from Kovacs
Make Your Own Hydrogen Fuel Cell  It’s Simple – Easy – Effective  $33

Great Converting Guide For Building A Solar Water Heater. Lean How To Recondition Batteries At Home. How you can build your own solar hot water system and how this can benefit our environment.

Great wire antenna calculator for all types of antennas, dipoles, inverted vees…

Wire antenna calculator for all types of antennas, dipoles, inverted vees…

Good discussion about grounding from K3DAV.com - Amateur Radio Operator

For Amateur Radio and Home Theater lovers. There are articles, pages about my radio and home theater equipment, and several photo pages of my equipment.